DE3274591D1 - Method and apparatus for recognizing an unknown character - Google Patents

Method and apparatus for recognizing an unknown character

Info

Publication number
DE3274591D1
DE3274591D1 DE8383900325T DE3274591T DE3274591D1 DE 3274591 D1 DE3274591 D1 DE 3274591D1 DE 8383900325 T DE8383900325 T DE 8383900325T DE 3274591 T DE3274591 T DE 3274591T DE 3274591 D1 DE3274591 D1 DE 3274591D1
Authority
DE
Germany
Prior art keywords
recognizing
unknown character
unknown
character
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383900325T
Other languages
German (de)
Inventor
Robert Blaize Nally
James Frances Akister
Patrick Chapwoo Leung
Eric James Vance
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Canada Ltd
Original Assignee
NCR Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NCR Canada Ltd filed Critical NCR Canada Ltd
Application granted granted Critical
Publication of DE3274591D1 publication Critical patent/DE3274591D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
DE8383900325T 1981-12-17 1982-12-14 Method and apparatus for recognizing an unknown character Expired DE3274591D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/331,935 US4490850A (en) 1981-12-17 1981-12-17 Matrix character recognition
PCT/US1982/001765 WO1983002184A1 (en) 1981-12-17 1982-12-14 Method and apparatus for recognizing an unknown character

Publications (1)

Publication Number Publication Date
DE3274591D1 true DE3274591D1 (en) 1987-01-15

Family

ID=23295989

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383900325T Expired DE3274591D1 (en) 1981-12-17 1982-12-14 Method and apparatus for recognizing an unknown character
DE198383900325T Pending DE96717T1 (en) 1981-12-17 1982-12-14 METHOD AND DEVICE FOR DETECTING AN UNKNOWN CHARACTER.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198383900325T Pending DE96717T1 (en) 1981-12-17 1982-12-14 METHOD AND DEVICE FOR DETECTING AN UNKNOWN CHARACTER.

Country Status (6)

Country Link
US (1) US4490850A (en)
EP (1) EP0096717B1 (en)
JP (1) JPS58502116A (en)
CA (1) CA1181860A (en)
DE (2) DE3274591D1 (en)
WO (1) WO1983002184A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841473A (en) * 1986-12-19 1989-06-20 Robert S. Salzman Computer architecture providing programmable degrees of an almost condition
GB8802940D0 (en) * 1988-02-09 1988-03-09 Nally R B Image qualification system
US5235652A (en) * 1988-02-09 1993-08-10 Nally Robert B Qualification system for printed images
US5271068A (en) * 1990-03-15 1993-12-14 Sharp Kabushiki Kaisha Character recognition device which divides a single character region into subregions to obtain a character code
US5077805A (en) * 1990-05-07 1991-12-31 Eastman Kodak Company Hybrid feature-based and template matching optical character recognition system
US5416308A (en) * 1991-08-29 1995-05-16 Video Lottery Technologies, Inc. Transaction document reader
US7295694B2 (en) * 2002-02-22 2007-11-13 International Business Machines Corporation MICR-based optical character recognition system and method
US7871435B2 (en) * 2004-01-23 2011-01-18 Edwards Lifesciences Corporation Anatomically approximate prosthetic mitral heart valve
US7492957B1 (en) * 2005-08-29 2009-02-17 Symantec Corporation Using run length encoding to detect target images
US7856142B2 (en) * 2007-01-26 2010-12-21 Sharp Laboratories Of America, Inc. Methods and systems for detecting character content in a digital image

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522586A (en) * 1965-08-25 1970-08-04 Nippon Electric Co Automatic character recognition apparatus
US3576534A (en) * 1969-08-11 1971-04-27 Compuscan Inc Image cross correlator
US3564498A (en) * 1969-10-31 1971-02-16 Burroughs Corp Character recognition system
IL38603A (en) * 1972-01-21 1975-10-15 Bar Lev H Automatic pattern recognition method and apparatus particularly for optically recognizing alphanumeric characters
US3868635A (en) * 1972-12-15 1975-02-25 Optical Recognition Systems Feature enhancement character recognition system
DE2619245A1 (en) * 1976-04-30 1977-11-10 Transitus Ets METHOD OF CLASSIFICATION OF CHARACTERS WITH CHARACTERISTICS DIFFERENT FROM STANDARD CHARACTERS
GB1545117A (en) * 1976-05-25 1979-05-02 Nat Res Dev Comparison apparatus eg for use in character recognition
JPS5313840A (en) * 1976-07-23 1978-02-07 Hitachi Ltd Analogy calculator
JPS5923467B2 (en) * 1979-04-16 1984-06-02 株式会社日立製作所 Position detection method

Also Published As

Publication number Publication date
CA1181860A (en) 1985-01-29
EP0096717A1 (en) 1983-12-28
EP0096717B1 (en) 1986-12-03
WO1983002184A1 (en) 1983-06-23
US4490850A (en) 1984-12-25
DE96717T1 (en) 1984-05-24
JPS58502116A (en) 1983-12-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee